Super-efficient water pipe and fire pipe fused steam generator furnace body

Abstract

The invention relates to the technical field of steam generator furnace bodies, and discloses a super-efficient water pipe and fire pipe fused steam generator furnace body which comprises a cabinet and further comprises a plurality of heat exchangers, the heat exchangers are linearly and evenly distributed in the cabinet, and each heat exchanger is composed of a first exchanger piece, a second exchanger piece and a heat exchange shell; the first exchanger piece and the second exchanger piece are located in the heat exchange shell, and the heat exchange shell is used for bearing the first exchanger piece and the second exchanger piece. And a first exchanger sheet. According to the invention, an outer fin round tube type and a tube without fins used in most boilers in the market are improved into a flat plate type, fins are arranged on two surfaces, the heat exchange area is larger under the condition of the same water volume, and the boiler is more energy-saving, so that the use effect of the boiler body is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steam generator furnace, in particular to a super-efficient steam generator furnace combining water tube and fire tube. BACKGROUND

[0002] The steam generator boiler is a device for generating steam, its main function is to convert water or other liquids into steam by heating, and is widely used in industrial production, power generation, heating and other fields.

[0003] Most of the current boilers have two types, one is water tube boiler: the finned tube inside is a water channel, and the outer tube is a flue gas channel, which generates steam or hot water through heat exchange; the other is fire tube boiler: flue gas is in the fire tube, and water is in a pressure vessel, the fire tube and water exchange heat to generate hot water or steam, the above two boilers have an ideal heat exchange area and low thermal efficiency under the condition that the furnace water volume is less than 30L, resulting in high boiler energy consumption and non-energy saving, therefore, it is urgent to design a super-efficient steam generator furnace combining water tube and fire tube. SUMMARY

[0004] The purpose of the present application is to solve the problems in the prior art and provide a super-efficient steam generator furnace combining water tube and fire tube.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme: A super-efficient steam generator furnace combining water tube and fire tube, comprising a cabinet, further comprising: A plurality of heat exchangers are evenly distributed in the cabinet in a straight line, the heat exchanger is composed of a first exchanger sheet, a second exchanger sheet and a heat exchange shell, the first exchanger sheet and the second exchanger sheet are located inside the heat exchange shell, and the heat exchange shell is used to bear the first exchanger sheet and the second exchanger sheet; A plurality of first exchanger sheets are evenly distributed inside the plurality of heat exchangers, and a plurality of fins are evenly distributed on both sides of the first exchanger sheet; A plurality of second exchanger sheets are evenly distributed inside the plurality of heat exchangers, and a plurality of fins are evenly distributed on both sides of the second exchanger sheet; The first exchanger sheet and the second exchanger sheet inside the same heat exchanger are arranged in cross, and the second exchanger sheet and the adjacent first exchanger sheet on both sides form a flue gas channel and a water vapor channel, which increases the heat exchange area of flue gas and water vapor, the flue gas channel is used for allowing flue gas to pass through, and the water vapor channel is used for allowing water vapor to pass through, which is more efficient than the current water tube and fire tube type evaporator.

[0006] As a further technical scheme of the present application, a plurality of main furnace bodies are arranged in the cabinet in a straight line and uniformly distributed, the number of the main furnace bodies is the same as that of the heat exchangers, and each main furnace body is internally provided with a shell, a plurality of heat exchangers are arranged in the corresponding shells, the shell is used to mount the heat exchanger in the main furnace body, the bottom of the shell is sealed and the top is open, which facilitates the exhaust of flue gas through the top, and a gap for the flow of flue gas is arranged between the shell and the main furnace body.

[0007] As a further technical scheme of the present application, an exhaust hood is arranged on both sides of the top of each heat exchanger, the two exhaust hoods are symmetrically arranged, and the exhaust hood is used to assist the exhaust of flue gas in the heat exchanger.

[0008] As a further technical scheme of the present application, a combustion system is arranged on the side of each main furnace body, and the combustion system is composed of a fan, a gas valve and a Venturi, and the combustion system is communicated with the shell side and a plurality of flue gas passages, a gas pipe is arranged in the cabinet, and a plurality of combustion systems are communicated with the gas pipe, and the combustion system and the gas pipe are used in cooperation to provide flue gas for the heat exchanger to realize heat exchange of the heat exchanger.

[0009] As a further technical scheme of the present application, a condenser is arranged at the bottom of each main furnace body, and an exhaust passage is arranged in the cabinet, and a plurality of condensers are communicated with the exhaust passage, and the exhaust passage penetrates through the cabinet, and the exhaust passage is used to exhaust the flue gas passing through the heat exchanger, and it should be noted that the flue gas exhausted from the heat exchanger is exhausted from the top of the heat exchanger, and then passes through the condenser and is exhausted through the exhaust passage.

[0010] As a further technical scheme of the present application, a steam passage is arranged on one side of the cabinet, and a water inlet passage and a steam outlet passage are arranged at the top and the bottom of the steam passage, the steam outlet passage is used to exhaust the steam in the steam passage, and the water inlet passage is used to make the external steam enter the steam passage.

[0011] As a further technical scheme of the present application, a plurality of first water blocking plates are arranged on the corresponding side of the first heat exchanger sheet, and a plurality of second water blocking plates are arranged on the corresponding side of the second heat exchanger sheet, the first water blocking plates and the second water blocking plates are arranged in a staggered manner, and it should be noted that a gap for the flow of steam is left between the first water blocking plate and the second heat exchanger sheet and between the second water blocking plate and the first heat exchanger sheet to realize efficient heat exchange.

[0012] As a further technical scheme of the present application, a water inlet pipe is horizontally arranged at the bottom of the cabinet, and the top end of the water inlet pipe penetrates through the cabinet, and a water injection pipe is arranged on the side of each condenser, and the ends of a plurality of water injection pipes are communicated and arranged on the water inlet pipe, and the water inlet pipe and the water injection pipe are used to make the steam pass through the condenser first and then enter the heat exchanger.

[0013] As a further technical scheme of the present application, the first communication pipe is communicated and installed on each side of the condenser, the lower communication pipe is horizontally installed at the bottom of the corresponding side of each heat exchanger, and the lower communication pipe is communicated with the water vapor passage water inlet; the top end of each first communication pipe is communicated and installed on the corresponding lower communication pipe, so that the water in the water inlet pipe passes through the condenser, then passes through the first communication pipe and the lower communication pipe to enter the water vapor passage, so as to realize the water vapor entering the heat exchanger.

[0014] As a further technical scheme of the present application, the steam outlet pipe is horizontally installed on the top of the cabinet, the upper communication pipe is horizontally installed at the bottom of the corresponding side of each heat exchanger, and the upper communication pipe is communicated with the water vapor passage steam outlet; the second communication pipe is communicated and installed on the side of each upper communication pipe, and the top end of the plurality of second communication pipes is communicated and installed on the steam outlet pipe; the steam outlet pipe, the upper communication pipe and the second communication pipe cooperate to discharge the water vapor in the water vapor passage; the water level pipe is vertically installed on the outside of each main furnace body, and the top of the water level pipe is communicated with the upper communication pipe through the pipe body, so as to detect the running water level.

[0015] The present application has the following advantages: The present application improves the outer finned circular pipe type used by most boilers in the market into a flat plate type with fins on both sides, so that the heat exchange area is larger under the same water volume, the boiler is more energy-saving, and the use effect of the furnace body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structural schematic diagram of a super-efficient water pipe and fire pipe fusion steam generator furnace body is provided for the present application; Figure 2 A structural schematic diagram of a super-efficient water pipe and fire pipe fusion steam generator furnace body after removing the cabinet door is provided for the present application; Figure 3 A structural schematic diagram of a super-efficient water pipe and fire pipe fusion steam generator furnace body after removing the cabinet back plate is provided for the present application; Figure 4 A structural schematic diagram of a super-efficient water pipe and fire pipe fusion steam generator furnace body after removing the cabinet is provided for the present application; Figure 5 A structural schematic diagram of a super-efficient water pipe and fire pipe fusion steam generator furnace body is provided for the present application; Figure 6 A structural schematic diagram of a super-efficient water pipe and fire pipe fusion steam generator furnace body is provided for the present application; Figure 7 A structural schematic diagram of a super-efficient water pipe and fire pipe fusion steam generator furnace body is provided for the present application; Figure 8 A water level pipe sectional view structure schematic diagram of an ultra-high efficiency water pipe and fire pipe fusion steam generator furnace body proposed by the present application; Figure 9 A first exchanger sheet and second exchanger sheet combined sectional view structure schematic diagram of an ultra-high efficiency water pipe and fire pipe fusion steam generator furnace body proposed by the present application; Figure 10 A first exchanger sheet sectional structure schematic diagram of an ultra-high efficiency water pipe and fire pipe fusion steam generator furnace body proposed by the present application; Figure 9 An enlarged schematic diagram of the middle A part; Figure 11 A first exchanger sheet and second exchanger sheet separated structure schematic diagram of an ultra-high efficiency water pipe and fire pipe fusion steam generator furnace body proposed by the present application. Figure 12 A first exchanger sheet and second exchanger sheet separated structure schematic diagram of an ultra-high efficiency water pipe and fire pipe fusion steam generator furnace body proposed by the present application.

[0017] In the figure: 1, cabinet; 2, exhaust passage; 3, gas pipe; 4, water inlet pipe; 5, steam outlet pipe; 6, combustion system; 7, main furnace body; 8, condenser; 9, second communication pipe; 10, water injection pipe; 11, first communication pipe; 12, water level pipe; 13, outer shell; 14, exhaust cover; 15, heat exchanger; 16, heat exchange shell; 17, upper communication pipeline; 18, lower communication pipeline; 19, first exchanger sheet; 20, second exchanger sheet; 21, first water blocking plate; 22, second water blocking plate; 23, steam outlet passage; 24, water inlet passage. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the following further describes the present application in combination with specific embodiments.

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0020] Please refer to the drawings in the embodiments of the present application Figure 1 - the drawings in the embodiments of the present application Figure 12The utility model provides an ultra -high -efficient water pipe and fire tube fusion's steam generator furnace body, including cabinet 1, still include: heat exchanger 15, heat exchanger 15 has a plurality of, a plurality of heat exchanger 15 is in the inside of cabinet 1 and is evenly distributed in line, heat exchanger 15 is composed of first exchanger sheet 19, second exchanger sheet 20 and heat exchange shell 16, first exchanger sheet 19, second exchanger sheet 20 are located in the inside of heat exchange shell 16, and heat exchange shell 16 is used for bearing first exchanger sheet 19 and second exchanger sheet 20, first exchanger sheet 19, first exchanger sheet 19 has a plurality of, a plurality of first exchanger sheet 19 is evenly distributed in the inside of a plurality of heat exchanger 15, and first exchanger sheet 19 both sides are installed with a plurality of evenly distributed fins, second exchanger sheet 20, second exchanger sheet 20 has a plurality of, a plurality of second exchanger sheet 20 is evenly distributed in the inside of a plurality of heat exchanger 15, and second exchanger sheet 20 both sides are installed with a plurality of evenly distributed fins, first exchanger sheet 19 and second exchanger sheet 20 in the inside of same heat exchanger 15 are arranged in cross, and second exchanger sheet 20 and the first exchanger sheet 19 of adjacent both sides form flue gas passage and water vapor passage, increase the heat exchange area of flue gas and water vapor, flue gas passage is used for enabling flue gas to pass through, water vapor passage is used for enabling water vapor to pass through, compared with the water pipe and fire tube type evaporator, its efficiency is more efficient.

[0021] Please refer to the attached drawings Figure 2 - attached drawings Figure 12 In a preferred embodiment, a plurality of main furnace bodies 7 are installed in the cabinet 1 in a straight line, the number of main furnace bodies 7 is the same as that of heat exchangers 15, heat insulation material is arranged between the main furnace bodies 7 and the heat exchangers 15, and an outer shell 13 is installed in each main furnace body 7, the plurality of heat exchangers 15 are respectively located in the corresponding outer shells 13, the outer shell 13 is used to install the heat exchanger 15 in the main furnace body 7, the bottom of the outer shell 13 is sealed and the top is open, which facilitates the flue gas to pass through the top and be discharged, and a gap for the flue gas to flow is arranged between the outer shell 13 and the main furnace body 7.

[0022] Please refer to the attached drawings Figure 2 - attached drawings Figure 12 In a preferred embodiment, an exhaust hood 14 is installed on both sides of the top of each heat exchanger 15, the two exhaust hoods 14 are symmetrically arranged, and the exhaust hood 14 is used to assist the flue gas in the heat exchanger 15 to be discharged.

[0023] Please refer to the attached drawings Figure 2 - attached drawings Figure 12 In a preferred embodiment, a combustion system 6 is installed on the side surface of each main furnace body 7, the combustion system 6 is composed of a fan, a gas valve and a Venturi, the combustion system 6 is communicated with the outer shell 13 side surface and a plurality of flue gas passages, a gas pipe 3 is installed in the cabinet 1, a plurality of combustion systems 6 are communicated with the gas pipe 3, and the combustion system 6 and the gas pipe 3 are matched to provide flue gas for the heat exchanger 15 to realize heat exchange of the heat exchanger 15.

[0024] Please refer to the attached Figure 1 - attached Figure 11 In a preferred embodiment, the bottom of each main furnace body 7 is provided with a condenser 8, and the inside of the cabinet 1 is provided with an exhaust channel 2, the plurality of condensers 8 are communicated with the exhaust channel 2, and the end of the exhaust channel 2 penetrates through the cabinet 1. The exhaust channel 2 is used to exhaust the flue gas passing through the heat exchanger 15. It should be noted that the flue gas discharged from the heat exchanger 15 is discharged from the top of the heat exchanger 15, and then discharged through the condenser 8 and the exhaust channel 2.

[0025] Please refer to the attached Figure 1 - attached Figure 11 In a preferred embodiment, the top and bottom of one side of the water vapor channel are provided with steam outlet channels 23 and water inlet channels 24. The steam outlet channels 23 are used to discharge the water vapor inside the water vapor channel, and the water inlet channels 24 are used to allow the external water vapor to enter the inside of the water vapor channel.

[0026] Please refer to the attached Figure 2 - attached Figure 12 In a preferred embodiment, the first exchange sheet 19 is provided with a plurality of uniformly distributed first water blocking plates 21 on the corresponding side, and the second exchange sheet 20 is provided with a plurality of uniformly distributed second water blocking plates 22 on the corresponding side. The first water blocking plate 21 and the second water blocking plate 22 are distributed in a staggered manner. It should be noted that a gap for water vapor to flow through is left between the first water blocking plate 21 and the second exchange sheet 20, and between the second water blocking plate 22 and the first exchange sheet 19, so as to achieve efficient heat exchange.

[0027] Please refer to the attached Figure 2 - attached Figure 12 In a preferred embodiment, the inside bottom of the cabinet 1 is horizontally provided with a water inlet pipe 4, and the top end of the water inlet pipe 4 penetrates through the cabinet 1. Each condenser 8 is provided with a water injection pipe 10 on the side in communication. The plurality of water injection pipes 10 are connected to the water inlet pipe 4 at the end. The water inlet pipe 4 and the water injection pipe 10 are used to make the water vapor pass through the condenser 8 and then enter the inside of the heat exchanger 15.

[0028] Please refer to the attached Figure 1 - attached Figure 11 In a preferred embodiment, each condenser 8 is provided with a first communication pipe 11 on the side in communication. Each heat exchanger 15 is horizontally provided with a lower communication pipe 18 on the corresponding side bottom, and the lower communication pipe 18 is in communication with the water vapor channel water inlet channel 24. The top end of each first communication pipe 11 is connected to the corresponding lower communication pipe 18, so as to make the water in the water inlet pipe 4 pass through the condenser 8, and then pass through the first communication pipe 11 and the lower communication pipe 18 to enter the inside of the water vapor channel, so as to realize the water vapor entering the inside of the heat exchanger 15.

[0029] Please refer to the attached Figure 1- attached Figure 12 In a preferred embodiment, the steam outlet pipe 5 is horizontally arranged on the top of the cabinet 1, the upper communication pipe 17 is horizontally arranged on the bottom of each side of the heat exchanger 15, and the upper communication pipe 17 is in communication with the steam outlet pipe 23 of the water vapor channel, the second communication pipe 9 is arranged on the side of each upper communication pipe 17, and the top of the second communication pipe 9 is in communication with the steam outlet pipe 5, the steam outlet pipe 5, the upper communication pipe 17 and the second communication pipe 9 cooperate to discharge the water vapor in the water vapor channel, and the water level pipe 12 is vertically arranged on the outside of each main furnace body 7, and the top of the water level pipe 12 is in communication with the upper communication pipe 17 through the pipe body to detect the running water level.

[0030] The water vapor enters the condenser 8 through the water injection pipe 10 through the water inlet pipe 4, and then the water vapor in the condenser 8 enters the inside of the lower communication pipe 18 through the first communication pipe 11, the water vapor in the inside of the lower communication pipe 18 enters the inside of the water vapor channel through the water inlet channel 24, the water vapor in the inside of the water vapor channel enters the second communication pipe 9 through the steam outlet pipe 23, and the water vapor in the inside of the second communication pipe 9 is discharged through the steam outlet pipe 5; During this period, the flue gas enters the combustion system 6 through the gas pipe 3, the combustion system 6 heats the flue gas and then enters the inside of the flue gas channel, and then the flue gas uniformly enters each flue gas channel, the flue gas in the inside of the flue gas channel heats the water vapor in the inside of the water vapor channel, the improved flat plate type both sides are provided with fins, the heat exchange area is larger under the same water volume, and compared with the heat exchange mode of the existing water pipe and fire tube, the boiler is more energy-saving, the heat exchange efficiency is more efficient and fast, after the flue gas is discharged through the flue gas channel and the exhaust hood 14, it enters the condenser 8 from between the shell 13 and the main furnace body 7, and the flue gas in the condenser 8 is discharged through the exhaust channel 2; In summary, efficient heat exchange of the boiler can be realized.

[0031] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-efficiency steam generator furnace body integrating water pipes and fire pipes, comprising a cabinet (1), characterized in that, Also includes: Heat exchanger (15), there are multiple heat exchangers (15), and the multiple heat exchangers (15) are evenly distributed in a straight line inside the cabinet (1). The heat exchanger (15) is composed of a first heat exchanger plate (19), a second heat exchanger plate (20) and a heat exchange shell (16). The first heat exchanger plate (19) and the second heat exchanger plate (20) are located inside the heat exchange shell (16), and the heat exchange shell (16) is used to support the first heat exchanger plate (19) and the second heat exchanger plate (20). The first heat exchanger plate (19) has multiple first heat exchanger plates (19), which are evenly distributed inside multiple heat exchangers (15), and multiple evenly distributed fins are installed on both sides of the first heat exchanger plate (19). The second heat exchanger plate (20) has multiple second heat exchanger plates (20), which are evenly distributed inside multiple heat exchangers (15), and multiple evenly distributed fins are installed on both sides of the second heat exchanger plate (20). The first heat exchanger plate (19) and the second heat exchanger plate (20) inside the same heat exchanger (15) are arranged in a cross pattern, and the second heat exchanger plate (20) forms a flue gas passage and a water vapor passage with the first heat exchanger plate (19) on both sides, which increases the heat exchange area of ​​flue gas and water vapor.

2. The ultra-efficient steam generator furnace body integrating water pipes and fire pipes according to claim 1, characterized in that, The cabinet (1) is equipped with multiple main furnace bodies (7) that are evenly distributed in a straight line. The number of main furnace bodies (7) and heat exchangers (15) is the same, and each main furnace body (7) is equipped with an outer shell (13). Multiple heat exchangers (15) are located inside the corresponding outer shell (13).

3. The ultra-efficient steam generator furnace body integrating water pipes and fire pipes according to claim 2, characterized in that, Each heat exchanger (15) has an exhaust hood (14) installed at an angle on both sides of its top, and the two exhaust hoods (14) are arranged symmetrically.

4. The ultra-efficient steam generator furnace body integrating water pipes and fire pipes according to claim 3, characterized in that, Each of the main furnace bodies (7) is equipped with a combustion system (6) on its side. The combustion system (6) consists of a fan, a gas valve and a venturi. The combustion system (6) is connected to the side of the outer shell (13) and multiple flue gas channels. A gas pipe (3) is installed inside the cabinet (1). All the combustion systems (6) are connected to the gas pipe (3).

5. The ultra-efficient steam generator furnace body integrating water pipes and fire pipes according to claim 4, characterized in that, Each of the main furnace bodies (7) has a condenser (8) installed at the bottom, and an exhaust duct (2) is installed inside the cabinet (1). Multiple condensers (8) are connected to the exhaust duct (2), and the end of the exhaust duct (2) passes through the cabinet (1).

6. The ultra-efficient steam generator furnace body integrating water pipes and fire pipes according to claim 5, characterized in that, The top and bottom of one side of the water vapor channel are provided with a steam outlet channel (23) and a water inlet channel (24).

7. The ultra-efficient steam generator furnace body integrating water pipes and fire pipes according to claim 6, characterized in that, The first exchanger plate (19) has multiple evenly distributed first water blocking plates (21) installed on its corresponding side, and the second exchanger plate (20) has multiple evenly distributed second water blocking plates (22) installed on its corresponding side. The first water blocking plates (21) and the second water blocking plates (22) are staggered.

8. The ultra-efficient steam generator furnace body integrating water pipes and fire pipes according to claim 7, characterized in that, The bottom of the cabinet (1) is horizontally installed with a water inlet pipe (4), and the top of the water inlet pipe (4) passes through the cabinet (1). Each condenser (8) is connected to a water injection pipe (10) on its side, and the ends of multiple water injection pipes (10) are connected to the water inlet pipe (4).

9. The ultra-efficient steam generator furnace body combining water pipes and fire pipes according to claim 8, characterized in that, Each of the condensers (8) has a first connecting pipe (11) installed on its side, and each of the heat exchangers (15) has a lower connecting pipe (18) installed horizontally at the bottom of its corresponding side. The lower connecting pipe (18) is connected to the water inlet channel (24) of the water vapor channel, and the top of each of the first connecting pipes (11) is connected to the corresponding lower connecting pipe (18).

10. The ultra-efficient steam generator furnace body integrating water pipes and fire pipes according to claim 9, characterized in that, The cabinet (1) is horizontally installed with a steam outlet pipe (5) on the top. Each heat exchanger (15) is horizontally installed with an upper connecting pipe (17) on the bottom side of its corresponding side. The upper connecting pipe (17) is connected to the steam outlet channel (23) of the water vapor channel. Each upper connecting pipe (17) is connected with a second connecting pipe (9) on its side. The top ends of multiple second connecting pipes (9) are connected to the steam outlet pipe (5).

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